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author | Tor Andersson <tor.andersson@artifex.com> | 2018-07-10 12:58:57 +0200 |
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committer | Tor Andersson <tor.andersson@artifex.com> | 2018-08-10 12:09:33 +0200 |
commit | 09f2e173850e011e6390c49a4f761e87dd87ffba (patch) | |
tree | 6026165eb2c859792e1c9c3578d470a4e6837f72 /source/pdf/pdf-signature.c | |
parent | 62876a7025e31897e7ccb92ff8d461d3fef6ddb4 (diff) | |
download | mupdf-09f2e173850e011e6390c49a4f761e87dd87ffba.tar.xz |
Clean up null/range/endstream filter.
Use separate functions to keep the code simpler.
Use memmem to simplify and optimize search for 'endstream' token.
Do not look for 'endobj' since that could cause a false positives in
compressed object streams that have duff lengths.
Diffstat (limited to 'source/pdf/pdf-signature.c')
-rw-r--r-- | source/pdf/pdf-signature.c | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/source/pdf/pdf-signature.c b/source/pdf/pdf-signature.c index 4d62e7f1..cb7a807b 100644 --- a/source/pdf/pdf-signature.c +++ b/source/pdf/pdf-signature.c @@ -29,11 +29,11 @@ void pdf_write_digest(fz_context *ctx, fz_output *out, pdf_obj *byte_range, int for (i = 0; i < brange_len; i++) { brange[i].offset = pdf_array_get_int(ctx, byte_range, 2*i); - brange[i].len = pdf_array_get_int(ctx, byte_range, 2*i+1); + brange[i].length = pdf_array_get_int(ctx, byte_range, 2*i+1); } stm = fz_stream_from_output(ctx, out); - in = fz_open_null_n(ctx, stm, brange, brange_len); + in = fz_open_range_filter(ctx, stm, brange, brange_len); digest_len = (hexdigest_length - 2) / 2; digest = fz_malloc(ctx, digest_len); |